4 Answers
4

The Open Unified Process (OpenUP) is a
part of the Eclipse Process Framework
(EPF), an open source process
framework developed within the Eclipse
Foundation. It provides best practices
from a variety of software development
thought leaders and the broader
software development community that
cover a diverse set of perspectives
and development needs.

The most agile and lightweight form of
OpenUP, OpenUP/Basic, targets smaller
and co-located teams interested in
agile and iterative development. Small
projects constitute teams of 3 to 6
people and involve 3 to 6 months of
development effort.